Email API benchmarks

Every developer building notification systems has the same nightmare — waking up to discover your emails are landing in spam because Gmail quietly changed its rules again. Knock just dropped a real-time dashboard tracking actual email provider performance across open rates, deliverability, and latency, so you're no longer relying on a 2021 survey someone cited in a blog comment. This is the kind of tool that should have existed years ago, and honestly it's a little embarrassing that it didn't.